Based on the true story of a young Scottish lad, Peter Marshall, who dreams of only going to sea but finds out there is a different future for him when he receives a "calling" from God to be a minister. He leaves Scotland and goes to America where after a few small congregations he lands the position of pastor of the Church of the Presidents in Washington, D.C. and eventually he becomes Chaplain of the U.S. Senate.
Mike and Tony Petrakis are a Greek father and son team who dive for sponges off the coast of Florida. After they are robbed by crooks, Arnold and the Rhys brothers, Mike decides to take his men to the dangerous 12-mile reef to dive for more sponges. Mike suffers a fatal accident when he falls from the reef leaving Tony to carry on the business. But now he has a companion, Gwyneth Rhys.
